Khan Academy - Pictograms and Line graphs.
**Reading pictographs**: Reading Pictographs

Khan Academy - Mean/Median/Mode/Range etc..
**Statistics intro: Mean, median and mode**: Using the mean, median and mode to try to represent data

Khan Academy - Box and Whisker Graphs
**Reading box-and-whisker plots**: Reading Box-and-Whisker Plots

Khan Academy - Bar Charts
**Reading bar charts 1**:

Data detective statistics cycle